21630170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113843}}^1$

素因数の和:113869

約数の個数: 16

約数和(自身を含む): 40983840

約数和(自身を除く): 19353670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 113843, 227686, 569215, 1138430, 2163017, 4326034, 10815085, 21630170]

約数ペア:

[(1, 21630170), (2, 10815085), (5, 4326034), (10, 2163017), (19, 1138430), (38, 569215), (95, 227686), (190, 113843)]